1. Hobson's choice the choice of taking what is offered or nothing at all
  2. bosun's chair a seat consisting of a board and a rope
  3. hoisin sauce a thick sweet and pungent Chinese condiment
  4. obsolescence falling into disuse or becoming out of date
  5. opsonisation process whereby opsonins make an invading microorganism more susceptible to phagocytosis
  6. business office place of business where professional or clerical duties are performed
  7. opsonization process whereby opsonins make an invading microorganism more susceptible to phagocytosis
  8. Thomson's gazelle East African gazelle; the smallest gazelle
  9. hoop snake any of various harmless North American snakes that were formerly believed to take tail in mouth and roll along like a hoop
  10. parson's nose the tail of a dressed fowl
  11. Hipsurus caryi Pacific coast fish
  12. hypostasis (metaphysics) essential nature or underlying reality
  13. Hall's honeysuckle a variety of Japanese honeysuckle that grows like a vine
  14. absence the state of being not present
  15. hibiscus any plant of the genus Hibiscus
  16. poison gas a gas that is poisonous to breath or contact
  17. Bos indicus any of several breeds of Indian cattle
  18. obeisance bending the head or body in reverence or submission
  19. sailor's-choice similar to sea bream
  20. Hibiscus syriacus Asiatic shrub or small shrubby tree having showy bell-shaped rose or purple or white flowers and usually three-lobed leaves; widely cultivated in temperate North America and Europe

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.